Home / 17,558.20-26,337.30-15,549.40

Finding the Fourth Proportional to 17,558.20, 26,337.30 and 15,549.40

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Solution

The fourth proportional to 17,558.20, 26,337.30 and 15,549.40 is: 23,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.20 : 26,337.30 = 15,549.40 : x
  2. Step 2: Convert to fraction form
    17,558.20/26,337.30 = 15,549.40/x
  3. Step 3: Cross multiply
    17,558.20x = 26,337.30 × 15,549.40
  4. Step 4: Simplify right side
    17,558.20x = 409,529,212.62
  5. Step 5: Solve for x
    x = 409,529,212.62/17,558.20
  6. Step 6: Final answer
    x = 23,324.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.